树上结蜜糖
发表于 2025-3-27 00:25:44
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爱了吗
发表于 2025-3-27 05:05:57
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温和女人
发表于 2025-3-27 06:37:47
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Ballerina
发表于 2025-3-27 10:40:02
Les Regions Externes des Galaxies Ne Sont Pas Orientees Au Hasard,Des halos (ou couronnes) peuvent être détectées autour d’un certain nombre de galaxies par:
CROW
发表于 2025-3-27 14:57:43
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Incommensurate
发表于 2025-3-27 18:54:36
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绝缘
发表于 2025-3-27 23:25:27
Kurt Magnus,Karl Popp,Walter Sextroredshifts. We describe two tests, a principal axes test and a velocity gradient test, which are especially useful for this purpose. We apply these tests to samples of clusters from the Abell catalog and search for evidence of disk-like or filamentary structures.
infarct
发表于 2025-3-28 05:08:07
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Formidable
发表于 2025-3-28 08:02:20
Grundbegriffe und Darstellungsmittel,ut 6000 km/s, whilst the fifth, NGC 7320, has v~ 800 km/s. Several attempts of estimating the density of the “Stephan’s Quintet like” groups have been carried on, giving contradictory results about the evidence for a chance projection in the discordant redshift groups. (See e.g. 1,2,3).
Exaggerate
发表于 2025-3-28 10:35:29
Book 1984n "Clusters of great interest. and Groups of Galaxies". The topics covered included the spatial distribution and the clustering of galaxies; the properties of Superclusters, Clusters and Groups of galaxies; radio and X-ray observations; the problem of unseen matter; theories concerning hierarchical